nuttx-apps/tools/mksymtab.sh
Masayuki Ishikawa c229c14ded Merged in masayuki2009/nuttx.apps/fix_mksymtab (pull request #154)
apps/tools: Fix to generate CONFIG_SYSTEM_NSH_SYMTAB_COUNTNAME in mksymtab.sh

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

Approved-by: GregoryN <gnutt@nuttx.org>
2018-09-07 11:23:31 +00:00

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#!/bin/bash
############################################################################
# apps/tools/mksymtab.sh
#
# Copyright (C) 2018 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
usage="Usage: $0 <imagedirpath> <outfilepath>"
# Check for the required directory path
dir=$1
if [ -z "$dir" ]; then
echo "ERROR: Missing <imagedirpath>"
echo ""
echo $usage
exit 1
fi
if [ ! -d "$dir" ]; then
echo "ERROR: Directory $dir does not exist"
echo ""
echo $usage
exit 1
fi
# Get the output file name
outfile=$2
if [ -z "$outfile" ]; then
echo "ERROR: Missing <outfilepath>"
echo ""
echo $usage
exit 1
fi
rm -f $outfile
# Extract all of the undefined symbols from the ELF files and create a
# list of sorted, unique undefined variable names.
execlist=`find ${dir} -type f`
if [ ! -z "${execlist}" ]; then
for exec in ${execlist}; do
nm $exec | fgrep ' U ' | sed -e "s/^[ ]*//g" | cut -d' ' -f2 >>_tmplist
done
varlist=`cat _tmplist | sort - | uniq -`
rm -f _tmplist
fi
# Now output the symbol table as a structure in a C source file. All
# undefined symbols are declared as void* types. If the toolchain does
# any kind of checking for function vs. data objects, then this could
# faile
echo "#include <nuttx/compiler.h>" >$outfile
echo "#include <nuttx/binfmt/symtab.h>" >>$outfile
echo "" >>$outfile
for var in $varlist; do
echo "extern void *${var};" >>$outfile
done
echo "" >>$outfile
echo "#if defined(CONFIG_EXECFUNCS_HAVE_SYMTAB)" >>$outfile
echo "const struct symtab_s CONFIG_EXECFUNCS_SYMTAB_ARRAY[] = " >>$outfile
echo "#elif defined(CONFIG_SYSTEM_NSH_SYMTAB)" >>$outfile
echo "const struct symtab_s CONFIG_SYSTEM_NSH_SYMTAB_ARRAYNAME[] = " >>$outfile
echo "#else" >>$outfile
echo "const struct symtab_s dummy_symtab[] = " >>$outfile
echo "#endif" >>$outfile
echo "{" >>$outfile
for var in $varlist; do
echo " {\"${var}\", &${var}}," >>$outfile
done
echo "};" >>$outfile
echo "" >>$outfile
echo "#if defined(CONFIG_EXECFUNCS_HAVE_SYMTAB)" >>$outfile
echo "const int CONFIG_EXECFUNCS_NSYMBOLS_VAR = sizeof(CONFIG_EXECFUNCS_SYMTAB_ARRAY) / sizeof(struct symtab_s);" >>$outfile
echo "#elif defined(CONFIG_SYSTEM_NSH_SYMTAB)" >>$outfile
echo "const int CONFIG_SYSTEM_NSH_SYMTAB_COUNTNAME = sizeof(CONFIG_SYSTEM_NSH_SYMTAB_ARRAYNAME) / sizeof(struct symtab_s);" >>$outfile
echo "#else" >>$outfile
echo "const int dummy_nsymtabs = sizeof(dummy_symtab) / sizeof(struct symtab_s);" >>$outfile
echo "#endif" >>$outfile